| NCT Number | Conditions | Interventions | Sponsor/Collaborators | Phases | Start Date | Last Updated |
| NCT01269281 | Healthy | Drug: Sumatriptan | Dr. Reddy's Laboratories Limited | Phase 1 | 2005-07-01 | 2011-01-03 |
| NCT01854385 | Post-traumatic Headache | Drug: Sumatriptan 100 mg | University of Washington | Phase 2 | 2013-06-01 | 2016-05-13 |
| NCT01507610 | Migraine | Drug: Sumatriptan | Optinose US Inc. | Phase 1 | 2012-01-01 | 2012-02-28 |
| NCT01916395 | Migraine | Drug: sumatriptan and Treximet | Gary E. Ruoff, M.D.|GlaxoSmithKline|Westside Family Medical Center, P.C. | | 2009-12-01 | 2013-08-02 |
| NCT00488514 | Migraine Disorders | Drug: Combination Tablet of Treximet (sumatriptan/naproxen sodium) | GlaxoSmithKline | Phase 3 | 2007-07-01 | 2016-10-11 |
| NCT00356603 | Migraine Disorders|Cluster Headache|Migraine | Drug: Sumatriptan Succinate | GlaxoSmithKline | Phase 3 | 2006-06-01 | 2013-05-13 |
| NCT00875784 | Migraine Disorders | Drug: TREXIMA Drug: IMITREX(4mg)|Drug: IMITREX(6mg)|Drug: IMITREX Tablet 100mg | GlaxoSmithKline | Phase 1 | 2008-05-01 | 2016-11-03 |
| NCT01016834 | Migraine | Device: Sumavel DosePro|Drug: Sumatriptan | Zogenix, Inc.|Synteract, Inc. | Phase 4 | 2009-11-01 | 2011-11-28 |
| NCT00650247 | Healthy | Drug: Sumatriptan Succinate Tablets 100 mg|Drug: Imitrex Tablets 100 mg | Mylan Pharmaceuticals | Phase 1 | 2004-11-01 | 2009-11-30 |
| NCT00648466 | Healthy | Drug: Sumatriptan Succinate Tablets 100 mg|Drug: Imitrex Tablets 100 mg | Mylan Pharmaceuticals | Phase 1 | 2004-11-01 | 2009-11-30 |
| NCT00872274 | Healthy | Drug: sumatriptan 100mg | Ranbaxy Laboratories Limited|Ranbaxy Inc. | | 2008-07-01 | 2009-03-30 |
| NCT00383162 | Migraine Disorders | Drug: Combination Product (sumatriptan succinate / naproxen sodium)|Drug: Placebo | GlaxoSmithKline | Phase 3 | 2006-11-01 | 2016-12-02 |
| NCT02486276 | Migraine | Drug: Cilostazol|Drug: Sumatriptan|Drug: Placebo | Danish Headache Center | | 2015-06-01 | 2016-01-21 |
| NCT00382993 | Migraine Disorders | Drug: Placebo|Drug: Combination Product (sumatriptan succinate/naproxen sodium) | GlaxoSmithKline | Phase 3 | 2006-12-01 | 2016-12-02 |
| NCT00872924 | Healthy | Drug: sumatriptan 100mg | Ranbaxy Laboratories Limited|Ranbaxy Inc. | | 2008-07-01 | 2009-03-30 |
| NCT02485340 | Migraine | Drug: 5-ISMN (isosorbide-5-mononitrate)|Drug: Sumatriptan|Drug: Placebo | Danish Headache Center | | 2015-04-01 | 2016-01-21 |
| NCT00399243 | Episodic Cluster Headache|Chronic Cluster Headache | Drug: Sumatriptan 4mg Statdose injection | Diamond Headache Clinic|GlaxoSmithKline | Phase 4 | 2006-11-01 | 2009-01-29 |
| NCT00847405 | Healthy | Drug: Sumatriptan Succinate|Drug: Imitrex | Teva Pharmaceuticals USA | Phase 1 | 2003-03-01 | 2009-09-01 |
| NCT00846885 | Healthy | Drug: Sumatriptan Succinate|Drug: Imitrex | Teva Pharmaceuticals USA | Phase 1 | 2004-08-01 | 2009-09-01 |
| NCT00723983 | Migraine Disorders | Drug: Sumatriptan succinate|Drug: NP101 Study Patch | NuPathe Inc.|Teva Pharmaceutical Industries | Phase 1 | 2008-11-01 | 2016-02-02 |
| NCT00614029 | Pharmacokinetics|Bioequivalence | Device: Sumatriptan (via Intraject System) | Zogenix, Inc. | Phase 1 | 2006-12-01 | 2009-11-23 |
| NCT02954276 | Migraine | Drug: Omexa Sublingual Sumatriptan tablet|Drug: Imitrex Oral Product | Targia Pharmaceuticals Ltd.|SoluBest Ltd. | Phase 1 | 2016-03-01 | 2016-11-02 |
| NCT01381796 | Compare the Bioequivalence Between NP101 Patches Previously Used in the NP101-007 Study and NP101 Patches With Minor Modifications, in Healthy Adult Volunteers. | Drug: NP101|Drug: sumatriptan succinate | NuPathe Inc.|Teva Pharmaceutical Industries | Phase 1 | 2009-12-01 | 2016-02-02 |
| NCT02932488 | Healthy Volunteers | Drug: Sumatriptan | Gitte Moos Knudsen|Rigshospitalet, Denmark | Phase 1 | 2016-09-01 | 2016-10-12 |
| NCT00792636 | Migraine Disorders | Drug: sumatriptan and naproxen sodium combination tablet|Drug: sumatriptan tablet|Drug: naproxen sodium tablet | GlaxoSmithKline | Phase 4 | 2008-11-01 | 2016-10-11 |
